Polycyclic aromatic hydrocarbons: A class of organic compounds that contain multiple benzene rings. PAHs are found in many common products, including gasoline, diesel fuel, and tobacco smoke. Some PAHs are known carcinogens, and they are also linked to other health problems, such as respiratory and skin problems.
Public address system: A system for amplifying sound so that it can be heard by a large audience. PA systems are often used in public spaces, such as stadiums and concert halls, as well as in private settings, such as schools and churches.
Personal assistant for healthcare: A mobile application that provides users with access to their personal health records, appointment reminders, and other health-related information. PAHs can be used to help patients manage their health and stay connected to their healthcare providers.
Portable application handler: A software program that allows users to install and run portable applications on their computers without having to install the applications' software dependencies. Portable applications are typically stored on a USB drive or cloud-based storage service and can be used on any computer that has the PAHs software installed.